as a signing of Panathinaikos. In the 2015 Greek Basket League playoffs, he was the best player for Panathinaikos, averaging 18.4 points, 8.1 rebounds (5.8 offensive rebounds), and 2.2 assists per game. On August 10, 2015, he signed a one-year deal with AEK Athens. Mavrokefalidis was the top scorer of AEK Athens in the 2015–16 Greek Basket League season, averaging 14.5 points per game. China In December 2016, Mavrokefalidis joined the Chinese Basketball Association (CBA) club Qingdao DoubleStar Eagles for the 2016–17 CBA season. He became the first Greek player to ever play in China. He averaged 19.2 points, 8.8 rebounds, 2.3 assists, and 1.5 steals per game. Back to Europe On February 20, 2017, Mavrokefalidis returned to the Greek club AEK Athens, signing a contract with them for the rest of the season. On September 25, 2017, Mavrokefalidis signed with Lithuanian club Lietuvos rytas Vilnius, for the 2017–18 season. In 2018, he joined the Greek A2 League club Ionikos Nikaias. On December 23, 2019, after a very productive and successful stint with Ionikos, Mavrokefalidis transferred to the Greek EuroCup club Promitheas Patras, in order to replace Georgios Bogris on the club's roster. Mavrokefalidis signed with Peristeri on July 3, 2020. On December 8, 2020, he returned to Ionikos, after a fallout with newly appointed Peristeri coach (and his former Panathinaikos boss), Argyris Pedoulakis. Mavrokefalidis started the 2021-22 campaign with 2nd division club Tritonas Sepolion, bringing them to the brink of Greek Basket League promotion, before returning once again to Ionikos Nikaias and helping them avoid relegation. In 6 games with Ionikos, he averaged 19.3 points, 7.8 rebounds and 2.5 assists, playing around 30 minutes per contest. On September 1, 2022, Mavrokefalidis renewed his contract with Ionikos. National team career Greek junior national team Mavrokefalidis helped Greece win the bronze medal at the 2003 FIBA Under-19 World Cup. He also played at the 2004 FIBA Europe Under-20 Championship. In 2005, Mavrokefalidis' contribution during the FIBA Under-21 World Cup was very significant, as Mavrokefalidis greatly helped the Greece men's national under-21 basketball team win the silver medal, after losing to Lithuania by just two points in the gold medal game. Greek men's national team A year later, in 2006, the Greece men's national basketball team head coach Panagiotis Giannakis was impressed by the Mavrokefalidis' abilities and called him to participate in the Greek men's basketball training camp, one month before the